diff options
Diffstat (limited to 'include/linux/uprobes.h')
-rw-r--r-- | include/linux/uprobes.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h index 4f628a6fc5b4..06f28beed7c2 100644 --- a/include/linux/uprobes.h +++ b/include/linux/uprobes.h @@ -35,13 +35,25 @@ struct inode; # include <asm/uprobes.h> #endif +#define UPROBE_HANDLER_REMOVE 1 +#define UPROBE_HANDLER_MASK 1 + +#define MAX_URETPROBE_DEPTH 64 + +enum uprobe_filter_ctx { + UPROBE_FILTER_REGISTER, + UPROBE_FILTER_UNREGISTER, + UPROBE_FILTER_MMAP, +}; + struct uprobe_consumer { int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs); - /* - * filter is optional; If a filter exists, handler is run - * if and only if filter returns true. - */ - bool (*filter)(struct uprobe_consumer *self, struct task_struct *task); + int (*ret_handler)(struct uprobe_consumer *self, + unsigned long func, + struct pt_regs *regs); + bool (*filter)(struct uprobe_consumer *self, + enum uprobe_filter_ctx ctx, + struct mm_struct *mm); struct uprobe_consumer *next; }; @@ -61,6 +73,8 @@ struct uprobe_task { enum uprobe_task_state state; struct arch_uprobe_task autask; + struct return_instance *return_instances; + unsigned int depth; struct uprobe *active_uprobe; unsigned long xol_vaddr; @@ -93,7 +107,9 @@ struct uprobes_state { extern int __weak set_swbp(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr); extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr); extern bool __weak is_swbp_insn(uprobe_opcode_t *insn); +extern bool __weak is_trap_insn(uprobe_opcode_t *insn); extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); +extern int uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool); extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc); extern int uprobe_mmap(struct vm_area_struct *vma); extern void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned long end); @@ -117,6 +133,11 @@ uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc) { return -ENOSYS; } +static inline int +uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool add) +{ + return -ENOSYS; +} static inline void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc) { |